The duo have shaken off a virus which forced them to miss the 2-0 defeat to Accrington last week, a result which has all-but ended Chesterfield's hopes of a play-off place.
Defensive duo Jamie Lowry and Aaron Downes and midfielder Simon Whaley are long-term absentees though manager John Sheridan has no other injury or suspension problems.
With a sell-out crowd gathered the focus will be on Saltergate, which has been home to the Spireites since 1871. Next season they will play their home matches at the B2net Stadium.
Sheridan's men are two points behind seventh-placed Dagenham but, crucially, they lie 10th in the table so they have to win and hope the Daggers, Bury and Port Vale all slip up if they are to get into the play-offs.